Filter housing



FIG. 1 is a perspective view of a filter housing showing the new design;

FIG. 2 is a side elevational view thereof;

FIG. 3 is a side elevational view thereof, opposite of FIG. 2;

FIG. 4 is a front side view thereof;

FIG. 5 is a back side view thereof, opposite of FIG. 4;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken lines showing environmental structure are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a filter housing, as shown and described. 